In situ large-scale construction of sulfur-functionalized metal–organic framework and its efficient removal of Hg(II) from water

Linfeng Liang; Qihui Chen; Feilong Jiang; Daqiang Yuan; Jinjie Qian; Guangxun Lv; Hui Xue; Luyao Liu; Hai-Long Jiang; Maochun Hong

doi:10.1039/C6TA04927C

In situ large-scale construction of sulfur-functionalized metal–organic framework and its efficient removal of Hg(ii) from water†

Linfeng Liang,^abd Qihui Chen,*^ac Feilong Jiang,^ac Daqiang Yuan,

^ac Jinjie Qian,

^a Guangxun Lv,^a Hui Xue,^ac Luyao Liu,^a Hai-Long Jiang^bd and Maochun Hong*^acd

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* Corresponding authors

^a State Key Lab of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, China
E-mail: chenqh@fjirsm.ac.cn, hmc@fjirsm.ac.cn

^b Department of Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Hefei, Anhui 230026, P. R. China

^c University of the Chinese Academy of Sciences, Beijing, China

^d Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China

Abstract

A new strategy that uses sulfur-functionalized metal organic frameworks (MOFs) for removal of Hg(II) from water has been developed. This strategy is based around a novel sulfur-functionalized MOF FJI-H12, which is composed of octahedral M₆L₄ cages and free NCS⁻ groups. At the same time, large-scale synthesis of FJI-H12 microcrystals has also been carried out under very mild conditions. The resulting material can remove Hg(II) completely and selectively from water with high saturation, adsorption (439.8 mg g⁻¹) and distribution coefficient (1.85 × 10⁶ mL g⁻¹) relative to other MOFs. More interestingly, a continuous and fast removal of Hg(II) from water has also been carried out using a column loaded with FJI-H12 microcrystals.

This article is part of the themed collection: 2016 Journal of Materials Chemistry A HOT Papers

Journal of Materials Chemistry A

In situ large-scale construction of sulfur-functionalized metal–organic framework and its efficient removal of Hg(ii) from water†

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In situ large-scale construction of sulfur-functionalized metal–organic framework and its efficient removal of Hg(II) from water

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